update for change to etsicatalog

[modeling/etsicatalog.git] / catalog / pub / utils / fileutil.py

diff --git a/catalog/pub/utils/fileutil.py b/catalog/pub/utils/fileutil.py
new file mode 100644 (file)
index 0000000..6ddfc72
--- /dev/null
+++ b/catalog/pub/utils/fileutil.py
@@ -0,0 +1,78 @@
+# Copyright 2017 ZTE Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import os
+import shutil
+import logging
+import tempfile
+import traceback
+import urllib
+import zipfile
+
+
+logger = logging.getLogger(__name__)
+
+
+def make_dirs(path):
+    if not os.path.exists(path):
+        os.makedirs(path, 0o777)
+
+
+def delete_dirs(path):
+    try:
+        if os.path.exists(path):
+            shutil.rmtree(path)
+    except Exception as e:
+        logger.error(traceback.format_exc())
+        logger.error("Failed to delete %s:%s", path, e.args[0])
+
+
+def download_file_from_http(url, local_dir, file_name):
+    local_file_name = os.path.join(local_dir, file_name)
+    is_download_ok = False
+    try:
+        make_dirs(local_dir)
+        req = urllib.request.urlopen(url)
+        save_file = open(local_file_name, 'w')
+        save_file.write(req.read())
+        save_file.close()
+        req.close()
+        is_download_ok = True
+    except:
+        logger.error(traceback.format_exc())
+        logger.error("Failed to download %s to %s.", url, local_file_name)
+    return is_download_ok, local_file_name
+
+
+def unzip_file(zip_src, dst_dir, csar_path):
+    if os.path.exists(zip_src):
+        fz = zipfile.ZipFile(zip_src, 'r')
+        for file in fz.namelist():
+            fz.extract(file, dst_dir)
+        return os.path.join(dst_dir, csar_path)
+    else:
+        return ""
+
+
+def unzip_csar_to_tmp(zip_src):
+    dirpath = tempfile.mkdtemp()
+    zip_ref = zipfile.ZipFile(zip_src, 'r')
+    zip_ref.extractall(dirpath)
+    return dirpath
+
+
+def get_artifact_path(vnf_path, artifact_file):
+    for root, dirs, files in os.walk(vnf_path):
+        if artifact_file in files:
+            return os.path.join(root, artifact_file)
+    return None